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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/media/renderer_webaudiodevice_impl.h" | 5 #include "content/renderer/media/renderer_webaudiodevice_impl.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
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58 break; | 58 break; |
59 case media::AudioLatency::LATENCY_RTC: | 59 case media::AudioLatency::LATENCY_RTC: |
60 return media::AudioLatency::GetRtcBufferSize( | 60 return media::AudioLatency::GetRtcBufferSize( |
61 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); | 61 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); |
62 break; | 62 break; |
63 case media::AudioLatency::LATENCY_PLAYBACK: | 63 case media::AudioLatency::LATENCY_PLAYBACK: |
64 return media::AudioLatency::GetHighLatencyBufferSize( | 64 return media::AudioLatency::GetHighLatencyBufferSize( |
65 hardware_params.sample_rate(), 0); | 65 hardware_params.sample_rate(), 0); |
66 break; | 66 break; |
67 case media::AudioLatency::LATENCY_EXACT_MS: | 67 case media::AudioLatency::LATENCY_EXACT_MS: |
68 return media::AudioLatency::GetExactBufferSize( | 68 // TODO(andrew.macpherson@soundtrap.com): http://crbug.com/708917 |
69 base::TimeDelta::FromSecondsD(latency_hint.Seconds()), | 69 return std::min(4096, |
70 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); | 70 media::AudioLatency::GetExactBufferSize( |
| 71 base::TimeDelta::FromSecondsD(latency_hint.Seconds()), |
| 72 hardware_params.sample_rate(), |
| 73 hardware_params.frames_per_buffer())); |
71 break; | 74 break; |
72 default: | 75 default: |
73 NOTREACHED(); | 76 NOTREACHED(); |
74 } | 77 } |
75 return 0; | 78 return 0; |
76 } | 79 } |
77 | 80 |
78 int FrameIdFromCurrentContext() { | 81 int FrameIdFromCurrentContext() { |
79 // Assumption: This method is being invoked within a V8 call stack. CHECKs | 82 // Assumption: This method is being invoked within a V8 call stack. CHECKs |
80 // will fail in the call to frameForCurrentContext() otherwise. | 83 // will fail in the call to frameForCurrentContext() otherwise. |
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238 const scoped_refptr<base::SingleThreadTaskRunner>& | 241 const scoped_refptr<base::SingleThreadTaskRunner>& |
239 RendererWebAudioDeviceImpl::GetMediaTaskRunner() { | 242 RendererWebAudioDeviceImpl::GetMediaTaskRunner() { |
240 if (!media_task_runner_) { | 243 if (!media_task_runner_) { |
241 media_task_runner_ = | 244 media_task_runner_ = |
242 RenderThreadImpl::current()->GetMediaThreadTaskRunner(); | 245 RenderThreadImpl::current()->GetMediaThreadTaskRunner(); |
243 } | 246 } |
244 return media_task_runner_; | 247 return media_task_runner_; |
245 } | 248 } |
246 | 249 |
247 } // namespace content | 250 } // namespace content |
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